Items

• [E1518DGS], Memorandum, Thomas Alva Edison, April 1915
  1915-04-00
• [E1518GBG], Letter from William Henry Meadowcroft to Edgar Smith Opdyke, July 9th, 1915
  1915-07-09
• [NP102053], Diary, Thomas Alva Edison, May 1915
  1915-05-00